are

2047 篇文章
but are their own unique branch.
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but are their own unique branch. 但自成一个独特的分支

into adults that are 50 times their size.
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into adults that are 50 times their size. 成为体重是自己50倍的成年动物

But there are differences.
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But there are differences. 但确有不同之处

and they are left to fend for themselves...
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and they are left to fend for themselves... 自从出生的那一刻

but they are not the widespread predators they once were.
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but they are not the widespread predators they once were. 但它们已不再是 从前那个分布广泛的捕食者

Almost two months later, and the females' efforts are rewarded.
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Almost two months later, and the females' efforts are rewarded. 将近两个月之后 雌海龟的努力得到回报

But buffalo calves are not as savvy as their parents.
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But buffalo calves are not as savvy as their parents. 但是小水牛就没有父母那么精明了

Water buffalo are ever vigilant...
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Water buffalo are ever vigilant... 水牛时刻保持警惕

and Komodos are cannibals...
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and Komodos are cannibals... 而科摩多巨蜥会同类相食

Today's reptiles are such experts at living in the margins,
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Today's reptiles are such experts at living in the margins, 今天的爬行动物如此擅长在边缘生存